Passive income: NO

Earning passive income solely from a commercial plumbing side hustle is unlikely for most individuals. While it is possible to scale a plumbing business to a point where it generates passive income, it typically requires a significant upfront investment and ongoing maintenance. The setup costs range from $10,000 to $50,000, depending on equipment and licensing requirements. To make this hustle passive, one would need to invest in systems like automation for scheduling, invoicing, and client management, as well as potentially hiring and managing a team of plumbers. Most people in the plumbing business do not reach a fully passive income level, as it requires substantial growth and operational efficiency. While there are success stories in the community, they are often outliers who have dedicated years to building their businesses. It realistically becomes passive for those willing to invest time, money, and effort into scaling their operations. Misleading expectations include thinking that passive income can be achieved quickly or without significant groundwork. Overall, for most individuals, earning passive income solely from commercial plumbing is a challenging endeavor.